Howe, Herbert A. (Herbert Alonzo), 1858-1926 · Meadville, Penna., Flood and Vincent · leaf 131
Fig. 58.—Second Position of theSpider-webs. A double star. Anothermeasure. I24 A Study of the Sky. Elimination ofbias. two different ways he obtains more independent resultsthan if he had moved the spider-webs in the same di-rection each time. By turning the box in two opposite … Self-reliance. A Micrometer. directions, as he has just done, he also tends to elimi-nate a certain amount of personal bias, which would notbe eliminated if he always turned the box in the same direction. He does nottake many measures ofthe same double star on agiven night, but prefersto take a few…
Astronomy
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